For learning Irish language it is necessary to know alphabets in Irish. You have to know alphabets in Irish to learn writing in Irish language. Irish alphabets are the building blocks of Irish language. There are 18 characters in Irish alphabets. Irish alphabets are made up of Irish vowels and Irish consonants. The Irish alphabets contain 5 vowels and 13 consonants. Irish vs German gives a comparison between Irish and German alphabets.
Irish script is also known as Irish writing system or Irish orthography. The set of visible signs used to represent units of Irish language in a systematic way is called Irish Script. The Irish language uses Latin i.e. Irish alphabets are derived from Latin script. The script decides the writing direction of the any language, hence the writing direction of Irish is Left-To-Right, Horizontal. Learn Irish Greetings where you will find some interesting phrases.
Is Irish hard to learn? The answer to this question is that it depends on one's native language. One should start learning Irish language with Irish alphabets and Irish phonology.
Time taken to learn any language that is mentioned here is the approximate time required to learn specific language for the person who is proficient in English. You can also go through all Indian Languages and find if Irish is one of the language of India.